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- Part Number SN75123N
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - N (R-PDIP-T)
- Released Date Jun 16, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
SN75123N Details
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Manufacturer Part Number:
SN75123N
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
DIP
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Package Description:
DIP-16
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Pin Count:
16
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Country Of Origin:
Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
SN75123N Frequently Asked Questions (FAQs)
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The maximum cable length depends on the data rate and cable characteristics. As a general guideline, for a data rate of 1 Mbps, the maximum cable length is around 100 meters. However, it's recommended to consult the RS-485 standard and perform signal integrity analysis to determine the maximum cable length for a specific application.
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Yes, the SN75123N can be used in a multi-point configuration. It is a transceiver that supports RS-485 communication, which allows multiple devices to be connected to the same bus. However, it's essential to ensure that only one device is transmitting at a time to avoid data corruption and bus contention.
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Proper termination of the RS-485 bus is crucial to ensure signal integrity and prevent reflections. A 120-ohm termination resistor should be connected between the differential lines (A and B) at each end of the bus. Additionally, it's recommended to use a biasing network to maintain a stable common-mode voltage.
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The SN75123N requires a minimum input voltage of 4.5V to function properly. However, it's recommended to operate the device within the recommended operating range of 4.75V to 5.25V to ensure reliable operation and minimize the risk of data errors.
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Yes, the SN75123N can be used in a half-duplex configuration. The device has a direction control input (DE) that allows the transmitter and receiver to be enabled or disabled. By controlling the DE input, the device can be configured to operate in half-duplex mode, where the transmitter and receiver are enabled alternately.
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SN75123N Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.